A. Increasing the surface tension
B. Decreasing wettability
C. Supplying hydrophilic group
D. None of these
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Saponification
B. Esterification
C. Neutralisation
D. Acidification
A. Evaporation followed by vacuum distillation
B. Liquid extraction technique
C. Extractive distillation technique
D. None of these
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Yields acid of higher concentration than chamber process
B. Yields acids of lower concentration than chamber process
C. Is obsolete
D. Eliminates absorber
A. Roasting
B. Smelting
C. Froth floatation
D. Electromagnetic separation